CN210274151U - Backlight module, metal frame, terminal and metal frame round hole forming device - Google Patents
Backlight module, metal frame, terminal and metal frame round hole forming device Download PDFInfo
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- CN210274151U CN210274151U CN201921245013.XU CN201921245013U CN210274151U CN 210274151 U CN210274151 U CN 210274151U CN 201921245013 U CN201921245013 U CN 201921245013U CN 210274151 U CN210274151 U CN 210274151U
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Abstract
The utility model discloses a backlight unit and metal frame, terminal, metal frame round hole stamping forming device, the diameter to the round hole in a poor light among the current backlight unit is too big, and causes the screen at terminal to account for the sight less, or there is defective problem in screen appearance, the utility model provides a backlight unit's metal frame, the bottom surface of metal frame is provided with the camera subassembly mounting hole that upwards extends the formation to the inboard, directly set up camera module in the camera subassembly mounting hole, camera module with the metal inner wall direct contact of camera subassembly mounting hole, through the utility model provides a backlight unit's metal frame has avoided the technology of moulding plastics at the round hole inner wall in a poor light, has reduced the diameter of round hole in a poor light for the screen at terminal accounts for the increase of proportion.
Description
Technical Field
The utility model relates to a terminal display screen technical field, more specifically say, relate to a backlight unit and metal frame, terminal, metal frame round hole forming device.
Background
With the continuous improvement of the living standard of people, the use of various electronic products in the life of people is increased, and nowadays, smart phones are more and more popularized and become indispensable articles which cannot be separated from the life of people. Along with the development trend of intelligent terminals, the screen of the mobile phone is larger and larger, the larger the screen of the mobile phone is, the more comfortable the user can use, and the better visual experience can be achieved in the aspects of games and videos. However, the front-facing camera, the receiver and other components arranged on the front side of the screen occupy a larger area of the front screen of the intelligent terminal, so that the screen occupation ratio of the conventional mobile phone is smaller, and although the screen occupation ratio of the mobile phone with the bang screen is increased, the screen appearance of the mobile phone with the bang screen is defective. Therefore, how to make the hole of the mobile phone camera smaller and increase the screen occupation ratio becomes a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who solves is because the preparation technology of backlight hole in being shaded from the sun, makes the diameter of pore-forming too big, leads to the screen of terminal display screen to account for the defect that ratio is not high, and user experience is not good, to this technical problem, the utility model provides a backlight unit and metal frame, terminal, metal frame round hole forming device.
In order to solve the technical problem, the utility model provides a backlight unit's metal frame, the bottom surface of metal frame is provided with the camera subassembly mounting hole that upwards extends the formation to the inboard, directly set up the camera module in the camera subassembly mounting hole, the camera module with the metal inner wall direct contact of camera subassembly mounting hole.
Optionally, the hole pattern formed by the vertical section of the camera assembly mounting hole includes: l vertical type, L conical shape, Z type.
Optionally, the camera assembly mounting hole and the metal frame are integrally formed.
In order to solve the technical problem, the utility model provides a backlight unit is still provided, backlight unit includes foretell backlight unit's metal frame and optical film in a poor light, optical film in a poor light be equipped with the hole of camera subassembly mounting hole looks adaptation, and pass the camera mounting hole.
Optionally, the height of the camera mounting hole of the backlight module metal frame is equal to the thickness of the backlight optical film.
Optionally, the backlight optical film comprises a reflecting film, a light guide plate, a diffusion film, a brightness enhancement film and a shading adhesive, wherein the reflecting film is attached to the inner bottom surface of the metal frame, the light guide plate, the diffusion film and the brightness enhancement film are sequentially covered on the reflecting film, and the shading adhesive is covered on the upper end edge of the camera mounting hole and the brightness enhancement film.
Optionally, the backlight module further comprises a rubber frame, and the rubber frame is fixed to the peripheral edge of the inner side of the metal frame of the backlight module and is integrally formed with the metal frame.
In order to solve the above technical problem, the utility model discloses still provide a terminal, the terminal includes: the camera module and as above any backlight unit of, the camera module set up in the camera subassembly mounting hole of backlight unit metal frame, the liquid crystal display at terminal is complete full screen.
Further, the utility model also provides a metal frame round hole stamping forming device, include: the die comprises a die punch, a die falling punch and a cushion block, wherein the die punch is provided with a protruding structure matched with the round hole extending part of the metal frame, the die falling punch is provided with a protruding structure matched with the round hole extending part of the metal frame in a punching manner, the cushion block comprises a protruding part matched with the round hole extending part of the metal frame, and the cushion block further comprises a groove through hole part matched with the protruding part of the die falling punch.
Advantageous effects
The utility model provides a backlight unit and metal frame, terminal, metal frame round hole forming device leads to the too big defect of backlight hole diameter to current backlight hole because the preparation technology in hole, the utility model provides a backlight unit's metal frame, the bottom surface of metal frame is provided with the camera subassembly mounting hole that upwards extends formation to the inboard, directly set up camera module in the camera subassembly mounting hole, camera module with the metal inner wall direct contact of camera subassembly mounting hole, through the utility model provides a camera subassembly mounting hole of metal frame has avoided the technology of moulding plastics at the inner wall of camera mounting hole for the diameter of camera mounting hole reduces effectively, thereby reduces the diameter in backlight hole. Further, the utility model provides a backlight unit is still provided, backlight unit includes as above backlight unit's metal frame and optical film in a poor light, optical film in a poor light be equipped with the hole of camera subassembly mounting hole looks adaptation, and pass the camera mounting hole, through the utility model provides a backlight unit can reduce the diameter in backlight hole effectively.
Further, the utility model also provides a terminal, the terminal includes: camera module and as above backlight unit, camera module sets up in the camera subassembly mounting hole of backlight unit metal frame, the liquid crystal display at terminal is complete full screen, through the utility model provides a backlight unit metal frame and backlight unit make the diameter in the camera hole of the display screen at terminal reduces effectively, and passes through the utility model provides a pass backlight unit has kept the complete of screen, has increased the screen and has accounted for the ratio, promotes user's experience degree.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic diagram of a screen structure of a conventional mobile phone according to a first embodiment of the present invention;
fig. 2 is a schematic view of a screen structure of a mobile phone with a bang screen according to a first embodiment of the present invention;
fig. 3 is a schematic structural view of a hole type screen according to a first embodiment of the present invention;
fig. 4 is a schematic sectional view of a hole-type screen according to a first embodiment of the present invention;
fig. 5 is a schematic structural view of a conventional backlight hole according to a first embodiment of the present invention;
fig. 6 is a schematic structural view of an alternative L-shaped backlight hole according to a second embodiment of the present invention;
fig. 7 is a schematic structural diagram of an alternative Z-shaped backlight hole according to a second embodiment of the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment:
please refer to fig. 1, which is a schematic diagram of a screen structure of a conventional mobile phone, wherein a front-facing camera, an earphone and other components arranged on the front side of the screen occupy a larger area of the front-facing screen of the mobile phone, so that the screen of the mobile phone occupies a smaller proportion; fig. 2 is a schematic diagram of a screen structure of a mobile phone with a bang screen, in which a screen of the mobile phone is configured as the bang-like screen, so that a screen occupation ratio of the screen is increased, but an appearance of the bang-like screen is defective, and the screen occupation ratio is not increased much compared with that of a conventional mobile phone screen; fig. 3 is a schematic diagram of a screen structure of a hole-type screen mobile phone, where the hole-type screen retains the integrity of the display screen by disposing the mounting hole of the camera assembly in the backlight module, please refer to fig. 4, which is a schematic diagram of a cross-sectional structure of a hole-type screen, and includes: the design of the mobile phone screen with the hole-shaped screen greatly increases the screen occupation ratio of the mobile phone. Because a hole needs to be opened in the middle of a complete screen for camera shooting, in order to ensure the beautiful appearance of the hole, the diameter of the hole needs to be designed to be as small as possible, and the diameter of the hole is too large due to the manufacturing process of the hole of the backlight module 42, please refer to fig. 5, which is a schematic structural diagram of the existing backlight hole, and includes: shading glue 51, membrane 52 that adds lustre to, diffusion barrier 53, light guide plate 54, reflectance coating 55, chase 56, gluey frame 57 for the excircle diameter that the shading glued is too big owing to the preparation technology in this kind of hole of being shaded now, pastes the width broad, causes the diameter in hole of being shaded too big, has reduced the screen of cell-phone and has accounted for the ratio.
In order to solve backlight unit among the prior art backlight unit diameter too big, cause the screen to account for than the defect that reduces, the utility model provides a backlight unit's metal frame:
the bottom surface of metal frame is provided with the camera module mounting hole that upwards extends the formation to the inboard, directly set up the module of making a video recording in the camera module mounting hole, make a video recording the module with the metal inner wall direct contact of camera module mounting hole.
It should be understood that at least a portion of the bottom of the metal frame is a completely closed structure, so that the bottom surface of the metal frame extends inwards and upwards to form a mounting hole of the camera assembly. Specifically, at least one part of the bottom surface of the metal frame is a completely closed structure, and the structure comprises: the bottom surface of the metal frame is of a completely closed structure at the part where the camera assembly needs to be arranged, and the bottom surface of the metal frame is of a non-closed structure except the part where the camera assembly needs to be arranged;
or the whole bottom surface of the metal frame is of a completely closed structure.
In this embodiment, the pass formed by the vertical cross section of the camera assembly mounting hole formed by extending the bottom surface of the metal frame inward and upward includes: l vertical type, L conical shape, Z type.
It should be understood that the vertical height of the extending portion of the camera assembly mounting hole formed by extending the bottom surface of the metal frame inwards and upwards should be greater than or equal to the vertical height of the camera module to be mounted, so that the camera module can be completely arranged in the camera assembly mounting hole of the metal frame, when the camera module is mounted in the camera assembly mounting hole of the metal frame, the camera module is directly arranged in the camera assembly mounting hole of the metal frame, that is, the inner wall of the camera assembly mounting hole of the metal frame is in close contact with the mounted camera module.
In this embodiment, the camera assembly mounting hole of the metal frame and the metal frame body are integrally formed, specifically, at least a part of the bottom surface of the metal frame is of a completely closed structure, when the part of the bottom surface of the metal frame where the camera module needs to be arranged is of a completely closed structure, the bottom surface of the part, corresponding to the position where the camera module is arranged, of the closed part of the bottom surface of the metal frame extends inwards and upwards to form the camera assembly mounting hole, and the camera assembly mounting hole and the metal frame body are integrally formed; or, when the whole bottom surface of the metal frame is of a completely closed structure, the closed part of the bottom surface of the metal frame extends inwards and upwards to form a camera assembly mounting hole at the position corresponding to the position where the camera module is arranged, and the camera assembly mounting hole and the metal frame are of an integrally formed structure.
It should be understood that the camera assembly mounting hole of the metal frame and the metal frame body may also be a non-integrally formed structure, that is, the camera assembly mounting hole and the metal frame body are two independent structural components, and the camera assembly mounting hole may be disposed on the metal frame body at a position corresponding to a position where the camera module is disposed by welding, crimping or fastening. Specifically, the bottom surface of the metal frame at the position corresponding to the position where the camera assembly mounting hole is arranged is provided with a through hole with the diameter equal to that of the camera assembly mounting hole, and the camera assembly mounting hole is arranged at the through hole corresponding to the metal frame in a welding, pressing or buckling mode;
or the bottom surface of the metal frame at the position corresponding to the camera assembly mounting hole is a closed surface, and the camera assembly mounting hole is directly arranged at the position corresponding to the metal frame in a welding, crimping or buckling mode.
Further, for solving the technical problem, the utility model also provides a backlight module, backlight module includes as above backlight module's metal frame and optical film in a poor light, optical film in a poor light be equipped with the hole of camera module mounting hole looks adaptation, and pass the camera mounting hole.
It should be understood that the vertical height of the camera mounting hole of the metal frame of the backlight module should be equal to the total thickness of the backlight optical film, and the size of the backlight optical film should match the size of the camera mounting hole of the metal frame of the backlight module, so that the backlight optical film can be disposed in the metal frame of the backlight module.
In this embodiment, the diameter of the hole of the backlight optical film is slightly larger than the diameter of the camera assembly mounting hole of the metal frame of the backlight module, and a certain gap distance is formed between the inner wall of the backlight optical film hole and the outer wall of the camera assembly mounting hole of the metal frame of the backlight module.
In the embodiment, the backlight optical film comprises a reflecting film, a light guide plate, a diffusion film, a brightness enhancement film and a shading adhesive, wherein the reflecting film is attached to the bottom surface of the inner side of the metal frame, the light guide plate, the diffusion film and the brightness enhancement film are sequentially covered on the reflecting film, and the shading adhesive is covered on the upper end edge of the camera mounting hole and the brightness enhancement film. The backlight module further comprises a rubber frame, and the rubber frame is fixed on the peripheral edge of the inner side of the metal frame of the backlight module and is integrally formed with the metal frame.
In one example, the whole bottom surface of the metal frame of the backlight module is a completely closed structure, the bottom surface of the metal frame of the backlight module is provided with a camera assembly mounting hole which is formed by extending inwards and upwards at the corresponding position of the camera module, the camera assembly mounting hole and the metal frame body are of an integrally formed structure, a camera module is directly arranged in the camera assembly mounting hole, namely, the inner wall of the camera assembly mounting hole of the metal frame is tightly contacted with the mounted camera module, the reflecting film is attached to the bottom surface of the inner side of the metal frame, the light guide plate, the diffusion film and the light enhancement film are sequentially covered on the reflecting film, the shading glue is covered on the upper end edge of the camera mounting hole and the light enhancement film, through the utility model provides a backlight unit's metal frame and backlight unit, backlight unit's the effectual diameter that reduces in backlight unit's backlight hole.
The utility model provides a backlight unit's metal frame, the bottom surface of metal frame is provided with the camera subassembly mounting hole that upwards extends the formation to the inboard, directly set up the camera module in the camera subassembly mounting hole, the camera module with the metal inner wall direct contact of camera subassembly mounting hole, through the utility model provides a metal frame and camera subassembly mounting hole have avoided the technology of moulding plastics at the inner wall of camera mounting hole for the diameter of camera mounting hole reduces effectively, thereby reduces the diameter in backlight hole. Further, the utility model provides a backlight unit, backlight unit includes as above backlight unit's metal frame and optical film in a poor light, optical film in a poor light be equipped with the hole of camera subassembly mounting hole looks adaptation, and pass the camera mounting hole sets up in the metal frame, camera module directly sets up in the camera subassembly mounting hole, camera module with the metal inner wall of camera subassembly mounting hole closely contacts, through the utility model provides a backlight unit can reduce the diameter in backlight hole effectively.
Second embodiment:
in order to make the advantages and details of the metal frame of the backlight module described in the foregoing embodiments clearer, the present embodiment will be further described with reference to specific examples.
The utility model provides a backlight unit's metal frame, the bottom surface of metal frame is provided with the camera subassembly mounting hole that upwards extends the formation to the inboard, directly set up the module of making a video recording in the camera subassembly mounting hole, the module of making a video recording with the metal inner wall direct contact of camera subassembly mounting hole.
In one example, the entire bottom surface of the metal frame is a completely closed structure.
In this example, the hole pattern formed by the vertical cross section of the camera assembly mounting hole formed by extending the bottom surface of the metal frame inward and upward is an L-vertical type.
It can be understood that, the vertical height of the extension portion of the camera assembly mounting hole that the inside side of the bottom surface of metal frame upwards extends and forms is greater than or equal to the vertical height of the camera module that needs to install to the camera module can set up completely in the camera assembly mounting hole of metal frame, the camera module is when packing into in the camera assembly mounting hole of metal frame, the camera module directly sets up in the camera assembly mounting hole of metal frame, also promptly the inner wall of the camera assembly mounting hole of metal frame is in close contact with the camera module of installation.
The camera assembly mounting hole of metal frame with the metal framework is integrated into one piece's structure, and is specific, the metal frame bottom surface seal part with set up camera module corresponding position department and upwards extend to the inboard and form the camera assembly mounting hole, the camera assembly mounting hole with the metal framework is integrated into one piece's structure.
Further, the utility model also provides a backlight module, backlight module includes as above backlight module's metal frame and optical film in a poor light, optical film in a poor light be equipped with the hole of camera subassembly mounting hole looks adaptation, and pass the camera mounting hole.
It can be understood that, the vertical height of the camera mounting hole of the metal frame of the backlight module is equal to the total thickness of the backlight optical film, the size of the backlight optical film should be matched with the size of the camera mounting hole of the metal frame of the backlight module, so that the backlight optical film can be arranged in the metal frame of the backlight module, the diameter of the hole of the backlight optical film is slightly larger than that of the camera mounting hole of the metal frame of the backlight module, and a certain gap distance exists between the inner wall of the hole of the backlight optical film and the outer wall of the camera mounting hole of the metal frame of the backlight module.
In this example, please refer to the L-shaped backlight hole shown in fig. 6, the backlight optical film includes a reflective film 62, a light guide plate 63, a diffusion film 64, a light enhancement film 65, and a light shielding adhesive 66, the reflective film 62 is attached to the inner bottom surface of the metal frame 61, the light guide plate 63, the diffusion film 64, and the light enhancement film 65 are sequentially covered on the reflective film 62, and the light shielding adhesive 66 is covered on the upper edge of the camera mounting hole and the light enhancement film 65.
The backlight module further comprises a rubber frame, and the rubber frame is fixed on the peripheral edge of the inner side of the metal frame of the backlight module and integrally formed with the metal frame.
In another example, the entire bottom surface of the metal frame is a completely closed structure.
In this example, the hole pattern formed in the vertical cross section of the camera assembly mounting hole formed by extending the bottom surface of the metal frame inward and upward is Z-shaped.
It can be understood that, the vertical height of the extension portion of the camera assembly mounting hole that the inside side of the bottom surface of metal frame upwards extends and forms is greater than or equal to the vertical height of the camera module that needs to install to the camera module can set up completely in the camera assembly mounting hole of metal frame, the camera module is when packing into in the camera assembly mounting hole of metal frame, the camera module directly sets up in the camera assembly mounting hole of metal frame, also promptly the inner wall of the camera assembly mounting hole of metal frame is in close contact with the camera module of installation.
The camera assembly mounting hole of metal frame with the metal framework is integrated into one piece's structure, and is specific, the metal frame bottom surface seal part with set up camera module corresponding position department and upwards extend to the inboard and form the camera assembly mounting hole, the camera assembly mounting hole with the metal framework is integrated into one piece's structure.
Further, the utility model also provides a backlight module, backlight module includes as above backlight module's metal frame and optical film in a poor light, optical film in a poor light be equipped with the hole of camera subassembly mounting hole looks adaptation, and pass the camera mounting hole.
It can be understood that, the vertical height of the camera mounting hole of the metal frame of the backlight module is equal to the total thickness of the backlight optical film, the size of the backlight optical film should be matched with the size of the camera mounting hole of the metal frame of the backlight module, so that the backlight optical film can be arranged in the metal frame of the backlight module, the diameter of the hole of the backlight optical film is slightly larger than that of the camera mounting hole of the metal frame of the backlight module, and a certain gap distance exists between the inner wall of the hole of the backlight optical film and the outer wall of the camera mounting hole of the metal frame of the backlight module.
In this example, please refer to the Z-shaped backlight hole shown in fig. 7, the backlight optical film includes a reflective film 72, a light guide plate 73, a diffusion film 74, a light enhancement film 75, and a light shielding adhesive 76, the reflective film 72 is attached to the inner bottom surface of the metal frame 71, the light guide plate 73, the diffusion film 74, and the light enhancement film 75 are sequentially covered on the reflective film 72, and the light shielding adhesive 76 is covered on the upper edge of the camera mounting hole and the light enhancement film 75.
The backlight module further comprises a rubber frame, and the rubber frame is fixed on the peripheral edge of the inner side of the metal frame of the backlight module and integrally formed with the metal frame.
The utility model provides a backlight unit's metal frame, the bottom surface of metal frame is provided with the camera subassembly mounting hole that upwards extends the formation to the inboard, directly set up the camera module in the camera subassembly mounting hole, the camera module with the metal inner wall direct contact of camera subassembly mounting hole, through the utility model provides a metal frame and camera subassembly mounting hole have avoided the technology of moulding plastics at the inner wall of camera mounting hole for the diameter of camera mounting hole reduces effectively, thereby reduces the diameter in backlight hole. Further, the utility model provides a backlight unit, backlight unit includes as above backlight unit's metal frame and optical film in a poor light, optical film in a poor light be equipped with the hole of camera subassembly mounting hole looks adaptation, and pass the camera mounting hole sets up in the metal frame, camera module directly sets up in the camera subassembly mounting hole, camera module with the metal inner wall of camera subassembly mounting hole closely contacts, through the utility model provides a backlight unit can reduce the diameter in backlight hole effectively.
The third embodiment:
this embodiment provides a terminal, the terminal includes: the camera module is arranged in the camera module mounting hole of the metal frame of the backlight module, and the liquid crystal display screen of the terminal is a complete full screen.
The terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a smart phone, a notebook computer, a PDA (personal digital assistant), a PAD (tablet computer), and the like, and a fixed terminal such as a digital TV, a desktop computer, and the like. In this embodiment, a mobile terminal smart phone is taken as an example for description.
In this embodiment, the screen of the mobile phone is a full screen of a hole-type screen, which is not a full screen of a bang screen, but a full screen of an unconventional mobile phone. Specifically, the camera on the front side of the mobile phone screen is arranged at a suitable position on the top of the display screen, which may be a left upper corner position, a middle position, and a right upper corner position of the top of the screen, and this is not limited in this embodiment.
Specifically, in the full screen of the hole-shaped screen, the liquid crystal display module of the display screen is complete and defect-free, and the backlight module is a hole-shaped backlight module, that is, the camera module is installed in the camera installation hole of the backlight module, the liquid crystal display module covers the backlight module and the camera module, and the camera module is used for realizing corresponding functions such as photographing.
In one example, the backlight module of the terminal display screen comprises a metal frame, wherein a camera assembly mounting hole formed by extending inwards and upwards is formed in the bottom surface of the metal frame, a camera module is directly arranged in the camera assembly mounting hole, and the camera module is in direct contact with the inner metal wall of the camera assembly mounting hole.
In this example, the entire bottom surface of the metal frame is a completely closed structure, and the hole pattern formed by the vertical cross section of the camera assembly mounting hole formed by extending the bottom surface of the metal frame inward and upward is an L-vertical type.
It can be understood that, the vertical height of the extension portion of the camera assembly mounting hole that the inside side of the bottom surface of metal frame upwards extends and forms is greater than or equal to the vertical height of the camera module that needs to install to the camera module can set up completely in the camera assembly mounting hole of metal frame, the camera module is when packing into in the camera assembly mounting hole of metal frame, the camera module directly sets up in the camera assembly mounting hole of metal frame, also promptly the inner wall of the camera assembly mounting hole of metal frame is in close contact with the camera module of installation.
The camera assembly mounting hole of metal frame with the metal framework is integrated into one piece's structure, and is specific, the metal frame bottom surface seal part with set up camera module corresponding position department and upwards extend to the inboard and form the camera assembly mounting hole, the camera assembly mounting hole with the metal framework is integrated into one piece's structure.
The camera module is arranged in the camera module mounting hole of the metal frame of the backlight module, namely the hole-shaped structure of the hole-shaped backlight module, and the hole-shaped structure and the display module of the mobile phone liquid crystal screen form a hole-shaped full screen together. According to the hole-type screen mobile phone, the camera on the front side of the screen is arranged in the hole-type backlight module, so that the screen occupation ratio of the mobile phone screen is effectively increased, and meanwhile, the appearance of the mobile phone screen is a complete screen. Further, through the utility model provides a backlight unit's metal frame and backlight unit have reduced the diameter of the camera subassembly mounting hole of installation camera module effectively to the screen that has further increased the screen effectively accounts for than.
The utility model provides a terminal, terminal includes: camera module and as above backlight unit, camera module sets up in backlight unit's the camera subassembly mounting hole of metal frame, the liquid crystal display at terminal is complete full screen, through the utility model provides a pass backlight unit and backlight unit's metal frame has reduced the diameter of camera mounting hole effectively, has increased the screen at terminal effectively and has occupied the ratio certainly, has promoted user's experience degree.
The fourth embodiment:
the utility model also provides a metal frame round hole stamping forming device, include: the die comprises a die punch, a die falling punch and a cushion block, wherein the die punch is provided with a protruding structure matched with the round hole extending part of the metal frame, the die falling punch is provided with a protruding structure matched with the round hole extending part of the metal frame in a punching manner, the cushion block comprises a protruding part matched with the round hole extending part of the metal frame, and the cushion block further comprises a groove through hole part matched with the protruding part of the die falling punch.
The utility model provides a pair of metal frame round hole stamping forming device is used for the metal frame punching press cost with backlight unit the utility model provides a backlight unit's metal frame, it is concrete, backlight unit's the at least partly totally closed structure of bottom surface of metal frame, and its bottom surface seal part reservation has sufficient metal material, is used for passing through metal frame round hole stamping forming device will backlight unit's metal frame punching press goes out to the inboard camera subassembly mounting hole that upwards extends formation in bottom surface, the camera subassembly installation that the punching press was gone out with backlight unit's metal frame's framework is integrated into one piece.
In this embodiment, the die punch is provided with a protruding structure matching with the extension height and the size of the hole for mounting the camera assembly of the metal frame of the backlight module, and the protruding structure is used for punching the position, where the camera assembly mounting hole is arranged, of the closed portion of the bottom surface of the metal frame of the backlight module to form an extension structure of the hole extending upwards towards the inner side of the bottom surface.
After the metal frame of the backlight module is punched out of the extending outer wall structure of the camera assembly mounting hole by the die punch, the extension structure punched by the die punch needs to be punched with the die drop punch, the die falling punch is provided with a convex structure matched with the size of a round hole formed by punching and falling the metal frame, the cushion block is required to be used for punching the through hole structure of the extending structure of the camera assembly mounting hole punched by the die punch, the cushion block comprises a convex part matched with the extending part of the round hole of the metal frame, the metal frame is placed on the cushion block for punching holes, the cushion block also comprises a groove through hole part matched with the bulge of the die falling punch, the cushion block is matched with the grinding tool falling punch to punch the backlight module out of the mounting hole for mounting the camera module.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (9)
1. The utility model provides a backlight unit's metal frame, its characterized in that, the bottom surface of metal frame is provided with the inside side upwards extends the camera assembly mounting hole that forms, directly set up the module of making a video recording in the camera assembly mounting hole, the module of making a video recording with the metal inner wall direct contact of camera assembly mounting hole.
2. The metal frame of a backlight module as claimed in claim 1, wherein the vertical section of the camera assembly mounting hole has a hole pattern comprising: l vertical type, L conical shape, Z type.
3. The metal frame of a backlight module as claimed in claim 1, wherein the camera assembly mounting holes are integrally formed with the metal frame body.
4. A backlight module comprising the metal frame of the backlight module as claimed in any one of claims 1 to 3, and a backlight optical film provided with holes fitting the camera mounting holes and passing through the camera mounting holes.
5. The backlight module as claimed in claim 4, wherein the height of the camera mounting hole of the backlight module metal frame is equal to the thickness of the backlight optical film.
6. The backlight module as claimed in claim 5, wherein the backlight optical film comprises a reflective film, a light guide plate, a diffusion film, a brightness enhancement film and a light-shielding adhesive, the reflective film is attached to the inner bottom surface of the metal frame, the light guide plate, the diffusion film and the brightness enhancement film are sequentially covered on the reflective film, and the light-shielding adhesive is covered on the upper end edge of the camera mounting hole and the brightness enhancement film.
7. The backlight module as claimed in claim 6, wherein the backlight module further comprises a plastic frame, and the plastic frame is integrally formed with the metal frame and fixed to the peripheral edge of the inner side of the metal frame of the backlight module.
8. A terminal, characterized in that the terminal comprises: the backlight module of any one of claims 4 to 7, wherein the camera module is arranged in a camera assembly mounting hole of the backlight module metal frame, and the liquid crystal display screen of the terminal is a complete full-screen.
9. The utility model provides a metal frame round hole stamping forming device which characterized in that includes: the die comprises a die punch, a die falling punch and a cushion block, wherein the die punch is provided with a protruding structure matched with the round hole extending part of the metal frame, the die falling punch is provided with a protruding structure matched with the round hole extending part of the metal frame in a punching manner, the cushion block comprises a protruding part matched with the round hole extending part of the metal frame, and the cushion block further comprises a groove through hole part matched with the protruding part of the die falling punch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921245013.XU CN210274151U (en) | 2019-08-02 | 2019-08-02 | Backlight module, metal frame, terminal and metal frame round hole forming device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110460702A (en) * | 2019-08-02 | 2019-11-15 | 深圳市德仓科技有限公司 | A kind of backlight module and metal frame, terminal, metal frame hole forming equipment and method |
| CN113726987A (en) * | 2020-05-26 | 2021-11-30 | 北京小米移动软件有限公司 | Camera mounting structure and electronic equipment |
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2019
- 2019-08-02 CN CN201921245013.XU patent/CN210274151U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110460702A (en) * | 2019-08-02 | 2019-11-15 | 深圳市德仓科技有限公司 | A kind of backlight module and metal frame, terminal, metal frame hole forming equipment and method |
| CN113726987A (en) * | 2020-05-26 | 2021-11-30 | 北京小米移动软件有限公司 | Camera mounting structure and electronic equipment |
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